/Engine/Source/Developer/HierarchicalLODUtilities/Public/HierarchicalLODUtilities.h
Checks if all actors are in the same HLOD level
virtual const bool AreActorsInSameHLODLevel ( const [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & InActors )